Security readout for executives and security teams
Plain-English summary
Adobe Premiere Rush 1.5.16 and earlier can mishandle a malicious SVG file. If a user opens such a file, an attacker could run code with that user’s privileges, risking data theft, tampering, or workstation compromise.
Executive priority
Treat this as a high-priority workstation patching issue for creative and marketing teams. Business urgency rises where users handle outside media files from clients, vendors, or public submissions.
Technical view
The CVE describes a CWE-788 memory corruption flaw in Adobe Premiere Rush SVG handling. CVSS 3.0 is 7.8, with local attack vector, low complexity, no privileges required, and required user interaction. Successful exploitation may allow arbitrary code execution as the current user.
Likely exposure
Exposure is likely limited to endpoints running Adobe Premiere Rush 1.5.16 or earlier, especially users who receive or open untrusted SVG media assets. The bundle does not identify server-side exposure.
Exploitation context
User interaction is required. The provided sources do not show CISA KEV listing or active exploitation evidence, so treat exploitation as plausible but not confirmed active from this bundle.
Researcher notes
The affected path is SVG file parsing in Premiere Rush. The bundle does not provide proof-of-concept details, exploit maturity, or exact fixed version text. Avoid assuming broader Adobe Premiere products are affected without vendor confirmation.
Mitigation direction
- Update Adobe Premiere Rush using Adobe APSB21-101 guidance.
- Prioritize systems running Premiere Rush 1.5.16 or earlier.
- Restrict opening untrusted SVG files in Premiere Rush until updated.
- Use endpoint controls to limit code execution under user context.
Validation and detection
- Inventory Adobe Premiere Rush installations and version numbers.
- Confirm no managed endpoints remain at version 1.5.16 or earlier.
- Review Adobe APSB21-101 for the vendor-correct fixed version.
- Check endpoint telemetry for suspicious crashes after SVG file handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-788: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-43025 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/premiere_rush/apsb21-101.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Access of Memory Location After End of Buffer
Access of Memory Location After End of Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.